Helga Pataki is a fictional character from the animated television series Hey Arnold!. She is known for her tough exterior and often aggressive behavior, which masks her deep feelings and insecurities. Helga has a complicated personality, often struggling with her emotions, particularly her unrequited love for Arnold, the show's main character. Helga is characterized by her signature pink dress, large unibrow, and a distinctive ponytail. She often expresses her feelings through poetry, which reveals her softer side. Despite her tough demeanor, Helga is a loyal friend and has a complex relationship with her family, particularly her neglectful parents and her older sister, Olga.